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Description

Potassium is one of the most important aquatic plant nutrients and thus ought to be present in the water in sufficient levels at all times. Water tests for potassium are not offered by standard aquarium water test manufacturers, which makes the potassium test by Macherey-Nagel a very interesting option. Its long useful life and the fact that refills can be ordered puts the relatively high initial price into perspective.

When mixed with sodium tetraphenylborate, potassium precipitates. Under certain conditions, the turbidity caused by this phenomenon can be measured to determine the concentration. Turbidities caused by other factors need to be filtered completely before this test can be conducted. You will get good reproducible results with drinking water, surface and ground water. Polluted waste water will lead to erroneous results.

Macherey-Nagel

The Germany company Macherey-Nagel GmbH & Co. KG has a long tradition, as it was founded in 1911. This company is an important manufacturer of chemical analytic products for professional use. Due to its specialisation in water tests, Macherey-Nagel is able to offer a vast product range particularly suitable for aquascapes and planted tanks. In the aquascaping and planted tank hobby, the colorimetric line of water tests Visocolor has gained a very good reputation, as these tests are very exact and have a long useful life.

Compared with many water test manufacturers that produce purely for aquaristic purposes, the knowledgeable customer service offered by Macherey-Nagel is on another level. This company helps their customers very well should they happen to run into a problem. For those interested in precise water tests the products by Macherey-Nagel are recommended as they will definitely meet their expectations.